<template>
  <div class="background"></div>
  <div class="login">
    <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
    >
      <h3 class="title">智慧助农-用户登录</h3>
      <el-form-item prop="username">
        <el-input
            v-model="loginForm.username"
            type="text"
            auto-complete="off"
            placeholder="账号"
        >
          <svg-icon
              slot="prefix"
              icon-class="user"
              class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="密码"
        >
          <svg-icon
              slot="prefix"
              icon-class="password"
              class="el-input__icon input-icon"
          />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
        >
          <svg-icon
              slot="prefix"
              icon-class="validCode"
              class="el-input__icon input-icon"
          />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox
          v-model="loginForm.rememberMe"
          style="margin: 0px 0px 25px 0px"
      >记住密码
      </el-checkbox>
      <el-form-item style="width: 100%">
        <el-button
            :loading="loading"
            size="medium"
            type="primary"
            style="width: 100%"
            @click="handleLogin"
        >
          <span v-if="!loading">登 录</span>
        </el-button>
        <div style="float: right" v-if="register">
          <router-link class="link-type" :to="'/register'"
          >立即注册
          </router-link>
        </div>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import Cookies from "js-cookie";
import {decrypt, encrypt} from "@/utils/jsencrypt";
import {getCodeImg, login} from "@/api/login";
import {setToken} from "@/utils/auth";

export default {
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          {required: true, trigger: "blur", message: "请输入您的账号"}
        ],
        password: [
          {required: true, trigger: "blur", message: "请输入您的密码"}
        ],
        code: [{required: true, trigger: "change", message: "请输入验证码"}]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: true,
      redirect: undefined
    };
  },
  watch: {
    // $route: {
    //   handler: function(route) {
    //     this.redirect = route.query && route.query.redirect;
    //   },
    //   immediate: true
    // }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled =
            res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/jpg;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
          // console.log("===========================,",this.loginForm.uuid)
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get("rememberMe");
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
            password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {
              expires: 30
            });
            Cookies.set("rememberMe", this.loginForm.rememberMe, {
              expires: 30
            });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove("rememberMe");
          }
          // this.$store.dispatch("login", this.loginForm).then(() => {
          //   console.log("登录成功");
          //   this.$router.push({ path:"../views/index.vue"}).catch(()=>{});
          // }).catch(() => {
          //   this.loading = false;
          //   if (this.captchaEnabled) {
          //     this.getCode();
          //   }
          // });
          // console.log("=======================,",this.loginForm.uuid)
          // console.log("================马凉",this.loginForm.username,this.loginForm.password,this.loginForm.uuid)
          login(
              this.loginForm.username,
              this.loginForm.password,
              this.loginForm.uuid
          )
              .then(res => {
                if (res.success) {
                  console.log(this.$router);
                  this.$router.push({path: "/index"});
                  this.loading = false;
                  setToken(res.data);
                }
                console.log(
                    "================马凉",
                    this.loginForm.username,
                    this.loginForm.password,
                    this.loginForm.uuid
                );
              })
              .catch(() => {
                this.loading = false;
                if (this.captchaEnabled) {
                  this.getCode();
                }
              });
        }
      });
    }
  }
};
</script>
<style lang="scss">
.login {
  height: 100%;
  width: 100%;
  position: fixed;
  background: url("@/assets/bg.png");
  background-size: 100%;
  opacity: 0.85;
}

.login-form {
  border-radius: 6px;
  background: white;
  width: 400px;
  border-radius: 20px;
  padding: 25px 25px 5px 25px;
  margin: 8% 35%;

  .title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: black;
  }
  .el-input {
    height: 38px;

    .el-input__wrapper {
      background-color: transparent;
      // border: 1px black solid;
      border-radius: 10px;
    }
    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: white;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: transparent;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
